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fix in m_cg_table.find()

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-04-25 17:50:06 -07:00
parent 8303d8c9ae
commit bdabd52fb9
3 changed files with 17 additions and 23 deletions
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8
src/util/lp/emonomials.h
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@ -28,7 +28,7 @@
namespace nla {
class emonomials : public var_eqs_merge_handler {
mutable svector<lpvar> m_find_key;
/**
\brief singly-lined cyclic list of monomial indices where variable occurs.
Each variable points to the head and tail of the cyclic list.
@ -52,7 +52,7 @@ class emonomials : public var_eqs_merge_handler {
hash_canonical(emonomials& em): em(em) {}
unsigned operator()(lpvar v) const {
auto const& vec = em.m_monomials[em.m_var2index[v]].rvars();
auto const& vec = v != UINT_MAX? em.m_monomials[em.m_var2index[v]].rvars() : em.m_find_key;
return string_hash(reinterpret_cast<char const*>(vec.c_ptr()), sizeof(lpvar)*vec.size(), 10);
}
};
@ -67,8 +67,8 @@ class emonomials : public var_eqs_merge_handler {
emonomials& em;
eq_canonical(emonomials& em): em(em) {}
bool operator()(lpvar u, lpvar v) const {
auto const& uvec = em.m_monomials[em.m_var2index[u]].rvars();
auto const& vvec = em.m_monomials[em.m_var2index[v]].rvars();
auto const& uvec = u != UINT_MAX? em.m_monomials[em.m_var2index[u]].rvars(): em.m_find_key;
auto const& vvec = v != UINT_MAX? em.m_monomials[em.m_var2index[v]].rvars(): em.m_find_key;
return uvec == vvec;
}
};